stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20108+3646
SEI 958
HD 228128


Nearby doubles
5' : 20110+3642
SEI 962

5' : 20103+3643
SMR 77

5' : 20104+3644
SEI 945AB

7' : 20108+3652
SEI 957

8' : 20102+3644
ES 87

9' : 20108+3637
TDT2052

9' : 20108+3654
SEI 956

12' : 20105+3635
SEI 948

12' : 20115+3639
SEI 974AB

12' : 20107+3657
SEI 953

14' : 20117+3654
SLE 957

14' : 20119+3642
TDT2077

16' : 20120+3640
SEI 989

18' : 20115+3630
SEI 971AB

18' : 20107+3703
STT 399AB

18' : 20094+3651
BNW 2AB

20' : 20111+3626
ALI 414

21' : 20098+3629
COU2413

23' : 20127+3645
SEI1006AB

24' : 20094+3630
SEI 928AB

24' : 20091+3657
SEI 921

24' : 20126+3639
SLE 962

24' : 20127+3642
SEI1007

24' : 20117+3706
SEI 980

26' : 20112+3710
SEI 964

26' : 20128+3638
SEI1010



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20108+3646 SEI 958 (HD 228128)

 
 
20h 10m 48.75s +36° 45' 16.3" P.A. 323.00 sep 21.4 mag 10.00,10.21 Sp B8IV
 
 
Coord 2000 20108+3646 Discov num SEI 958 Comp Coord arcsec 2000 20 10 48.75 +36 45 16.3
Date first 1896 Date last 2015 Obs 15
Pa first 326 Pa last 323.3 P.A. Now (θ) 323.3°
Sep first 21.2 Sep last 21.419 Sep. Now (ρ) 21.419"
Mag pri 10.00 Mag sec 10.21 delta mag (ΔM) 0.21 Spectral class B8IV (blue-white)
Pri motion ra +000 Sec motion ra -003
Pri motion dec -005 Sec motion dec -006
Notes
rPM=0.471
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228128 Constellation Cygnus Tycho2 2683-02849-1 Gaia DR2 2059200221601946752
HD 228128
 
 
WDS 20108+3646 SEI 958 (HD 228128) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20108+3646 SEI 958 2005 9 323 21.2 10.00 10.21 B8IV D 201048.75+364516.3
20108+3646 SEI 958 2010 11 323 21.4 10.00 10.21 B8IV 201048.75+364516.3
20108+3646 SEI 958 2015 12 323 21.4 10.00 10.21 B8IV 201048.75+364516.3

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20108+3646 SEI 958 (HD 228128) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20108+3646 SEI 958 (HD 228128) : MEASURES
 
 
No records found.

 
 
WDS 20108+3646 (HD 228128) : VIRTUAL EYEPIECE
 
 

20108+3646 SEI 958A mag 10 Sp B8IV 20108+3646 SEI 958B sep 20.0 P.A. 329.20 mag 10.21 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20108+3646 (HD 228128) : ALADIN DSS IMAGE @ 20h 10m 48.75s +36° 45' 16.3"
 
 
 
 
WDS 20108+3646 SEI 958 (HD 228128) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20108+3646 SEI 958 distance=0' 20110+3642 SEI 962 distance=5' 20103+3643 SMR 77 distance=5' 20104+3644 SEI 945AB distance=5' 20104+3644 SEI 946AC distance=5' 20108+3652 SEI 957 distance=7' 20102+3644 ES 87 distance=8' 20108+3637 TDT2052 distance=9' 20108+3654 SEI 956 distance=9' 20105+3635 SEI 948 distance=12' 20115+3639 SEI 974AB distance=12' 20115+3639 TOB 175AC distance=12' 20115+3639 TOB 175AD distance=12' 20107+3657 SEI 953 distance=12' 20117+3654 SLE 957 distance=14' 20119+3642 TDT2077 distance=14' 20120+3640 SEI 989 distance=16' 20115+3630 SEI 971AB distance=18' 20115+3630 SLE 954AC distance=18' 20115+3630 SLE 954AD distance=18' 20107+3703 STT 399AB distance=18' 20107+3703 WAL 129AC distance=18' 20094+3651 BNW 2AB distance=18' 20094+3651 CIA 19Aa,Ab distance=18' 20111+3626 ALI 414 distance=20' 20098+3629 COU2413 distance=21' 20094+3630 BKO 96MN distance=23' 20094+3630 BKO 96DL distance=23' 20127+3645 SEI1006AB distance=23' 20127+3645 SLE 964AC distance=23' 20094+3630 SEI 928AB distance=24' 20094+3630 SEI 927AC distance=24' 20094+3630 SEI 926AD distance=24' 20094+3630 ABH 131AE distance=24' 20094+3630 ABH 131AF distance=24' 20094+3630 ABH 131AG distance=24' 20094+3630 ABH 131AH distance=24' 20094+3630 ABH 131AI distance=24' 20094+3630 BKO 96AJ distance=24' 20094+3630 BKO 96AK distance=24' 20094+3630 BKO 96AM distance=24' 20091+3657 SEI 921 distance=24' 20126+3639 SLE 962 distance=24' 20127+3642 SEI1007 distance=24' 20117+3706 SEI 980 distance=24' 20112+3710 SEI 964 distance=26' 20128+3638 SEI1010 distance=26' 20129+3642 SEI1011 distance=26' 20116+3621 SEI 976 distance=26' 20111+3619 RAO 428 distance=27' 20108+3713 SLE 952BC distance=28' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20108+3646 SEI 958 323 21.4
Show 20110+3642 SEI 962 289 23.3 5
Show 20103+3643 SMR 77 92 2.9 5
Show 20104+3644 SEI 945 AB 274 5.9 5
Show 20104+3644 SEI 946 AC 64 13.7 5
Show 20108+3652 SEI 957 76 28.3 7
Show 20102+3644 ES 87 298 8.5 8
Show 20108+3637 TDT2052 142 2.3 9
Show 20108+3654 SEI 956 257 12.0 9
Show 20105+3635 SEI 948 88 21.7 12
Show 20115+3639 SEI 974 AB 7 18.1 12
Show 20115+3639 TOB 175 AC 95 53.3 12
Show 20115+3639 TOB 175 AD 123 36.6 12
Show 20107+3657 SEI 953 301 17.4 12
Show 20117+3654 SLE 957 335 6.7 14
Show 20119+3642 TDT2077 49 0.8 14
Show 20120+3640 SEI 989 153 29.4 16
Show 20115+3630 SEI 971 AB 14 14.1 18
Show 20115+3630 SLE 954 AC 294 24.1 18
Show 20115+3630 SLE 954 AD 357 22.3 18
Show 20107+3703 STT 399 AB 278 4.6 18
Show 20107+3703 WAL 129 AC 271 26.9 18
Show 20094+3651 BNW 2 AB 124 81.9 18
Show 20094+3651 CIA 19 Aa,Ab 164 0.0 18
Show 20111+3626 ALI 414 215 11.6 20
Show 20098+3629 COU2413 91 0.8 21
Show 20094+3630 BKO 96 MN 257 17.6 23
Show 20094+3630 BKO 96 DL 18 14.9 23
Show 20127+3645 SEI1006 AB 306 17.1 23
Show 20127+3645 SLE 964 AC 332 11.5 23
Show 20094+3630 SEI 928 AB 132 10.3 24
Show 20094+3630 SEI 927 AC 324 18.8 24
Show 20094+3630 SEI 926 AD 349 29.2 24
Show 20094+3630 ABH 131 AE 297 9.8 24
Show 20094+3630 ABH 131 AF 267 10.7 24
Show 20094+3630 ABH 131 AG 282 16.9 24
Show 20094+3630 ABH 131 AH 154 67.2 24
Show 20094+3630 ABH 131 AI 100 99.4 24
Show 20094+3630 BKO 96 AJ 50 17.4 24
Show 20094+3630 BKO 96 AK 29 34.9 24
Show 20094+3630 BKO 96 AM 355 81.1 24
Show 20091+3657 SEI 921 336 25.7 24
Show 20126+3639 SLE 962 21 8.5 24
Show 20127+3642 SEI1007 238 22.8 24
Show 20117+3706 SEI 980 185 23.8 24
Show 20112+3710 SEI 964 108 21.1 26
Show 20128+3638 SEI1010 205 31.4 26
Show 20129+3642 SEI1011 257 6.9 26
Show 20116+3621 SEI 976 3 8.2 26
Show 20111+3619 RAO 428 292 1.0 27
Show 20108+3713 SLE 952 BC 91 6.8 28

 
 
WDS 20108+3646 : COMPONENTS
 
 
  A
B pa=329.2°
sep=20.00"
 
 
20108+3646 A
 
 
Componente originario normalizzato AB Name HD 228128 Coord arcsec 2000 201048.75+364516.3 Mag 10
Spectral class B8IV (blue-white) PmRA 0.00 PmDE -5.0 Tycho2 2683-02849-1
HD 228128
Tycho2
Tycho2 2683-02849-1 Pflag RAmdeg 302.70310725 DEmdeg 36.75453783
PmRA 1.3 PmDE -5.4 E RAmdeg 16 E DEmdeg 14
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.64 EpDEm 1990.07
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.2 Q pmRA 0.9
Q pmDE 0.2 BTmag 10.161 E BTmag 0.025 VTmag 9.998
E VTmag 0.028 Prox 214 TYC T HIP
CCDM RAdeg 302.70310361 DEdeg 36.75455056 EpRA 1990 1.55
EpDE 1990 1.65 E RAdeg 17.3 E DEdeg 15.3 Posflg
Corr 0.1
 
 
20108+3646 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201047.90+364533.5 Mag 10.21 PmRA -3.00
PmDE -6.0 Tycho2 2683-02625-1 Calc delta mag 0.21 Calc coord yes
Tycho2
Tycho2 2683-02625-1 Pflag RAmdeg 302.69868927 DEmdeg 36.75932191
PmRA -5.9 PmDE -6.8 E RAmdeg 26 E DEmdeg 23
E pmRA 2.3 E pmDE 2.2 EpRAm 1988.42 EpDEm 1988.41
Num 5 Q RAmdeg 1.4 Q DEmdeg 0.8 Q pmRA 1.4
Q pmDE 0.8 BTmag 11.934 E BTmag 0.093 VTmag 10.210
E VTmag 0.032 Prox 214 TYC T HIP
CCDM RAdeg 302.69869611 DEdeg 36.75933361 EpRA 1990 1.57
EpDE 1990 1.66 E RAdeg 30.1 E DEdeg 27.2 Posflg
Corr 0.0